International units (IUs)are the designation used to measure and recommend vitamin A levels because it better represents the absorption rates in humans than retinol activity equivalent (REA).

Question

Quizplus · Accepted Answer

Neither the statement nor the reason is correct.Although IU is used for many vitamins,the retinol activity equivalent (RAE)was created for vitamin A because it better represents the absorption rates in humans.The IU reflects biological activity in animal studies,but it was determined that this measure does not always represent absorption rates in humans.

International Units (IUs)are the Designation Used to Measure and Recommend